The embodiment of the invention provides a billing method, an analysis center and a billing center. The billing method includes the steps that the analysis center inquires the zone corresponding to each lessee and the usable area, corresponding to the lessee, in each zone according to the mark of each lessee, at least one usable area corresponding to each lessee is obtained, the project corresponding to each lessee is inquired according to the mark of the lessee, the resource information of resources used by each lessee are inquired under the usable areas corresponding to the lessee, and the use amounts of the resources are counted; finally, the resource use information of each lessee is obtained, a resource use statistic summary table is generated and sent to the billing center, and the billing center obtains the resource use information of each lessee according to the resource use statistic summary table, and determines the expenses of each lessee according to a resource price list and the resource use information of the lessee. The use of various cloud service resources can be billed in a mixed mode, and multiple cloud platforms in the multiple zones can be billed in a mixed mode.